public void Setup()
        {
            _reflector     = Substitute.For <IArgumentPropertyReflector>();
            _generator     = new FFmpegArgumentGenerator(_reflector);
            _mockConverter = Substitute.For <IArgumentConverter>();

            _mockConverter.Convert(Arg.Any <string>(), Arg.Any <object>()).Returns(x => $"{x[0]} {x[1]}");
        }
 public FFmpegArgumentGenerator(IArgumentPropertyReflector reflector)
 {
     _reflector = reflector;
 }